Dividing Decimals by Powers of Ten

This video tutorial covers the concept of dividing decimals by powers of 10, such as 10, 100, and 1000. It explains how the decimal point moves to the left when dividing by these powers, using examples like dividing 219.50 by 10 and 190.5 by 100. The tutorial also includes practice problems to reinforce the concept.

What are the powers of 10?

• 1, 10, 100, 1000

• 10, 20, 30, 40

• 10, 100, 1000, 10000

• 10, 50, 100, 500

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CCSS.5.NBT.A.2

How can 1000 be written using exponents?

• 10^3

• 10^2

• 10^4

• 10^1

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CCSS.5.NBT.A.2

If a scooter costs $219.50 and needs to be paid in 10 installments, how much is each installment?

• $219.50

• $19.50

• $2.19

• $21.95

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CCSS.6.NS.B.3

What happens to the decimal point when you divide a number by 10?

• It moves one place to the right

• It disappears

• It moves one place to the left

• It stays the same

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CCSS.5.NBT.A.2

When dividing by 10, what should you check to ensure the decimal moved in the correct direction?

• The number becomes negative

• The number stays the same

• The number gets smaller

• The number gets larger

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CCSS.5.NBT.A.2

How far did the continents move in one year if they moved 190.5 cm in 100 years?

• 1.905 cm

• 0.1905 cm

• 19.05 cm

• 190.5 cm

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CCSS.6.RP.A.3B

What is the result of dividing 7.2 by 10?

• 0.072

• 72

• 7.2

• 0.72

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CCSS.5.NBT.A.2

What is the result of dividing 21.5 by 100?

• 21.5

• 0.0215

• 2.15

• 0.215

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CCSS.5.NBT.A.2

What is the result of dividing 192 by 1000?

• 192

• 19.2

• 1.92

• 0.192

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CCSS.5.NBT.A.2

What is the result of dividing 219.50 by 100?

• 0.2195

• 219.5

• 21.95

• 2.195

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CCSS.5.NBT.A.2